遮しゃ光こう幕まく

noun

blackout curtain; light-blocking curtain; lampshade; shade

A curtain or shade that blocks light. Often used in contexts like photography darkrooms, bedrooms, or lamps. The cross-reference 遮光カーテン is a more common term for blackout curtains.

See also: 遮光カーテン

• 写しゃ真しんの現げん像ぞう室しつには遮しゃ光こう幕まくが必ひつ要ようだ。

  A blackout curtain is necessary in a photo developing room.

• 遮しゃ光こう幕まくを閉しめると部屋へやが真まっ暗くらになる。

  When you close the light-blocking curtain, the room becomes pitch dark.